CJCME 2016, No.1, Article1; " Defect Numbers of the Dirichlet Problem for Higher Order Partial Differential Equations in the Unit Disc ", A. H. Babayan, V.A. Babayan ... P.4 Download Link ---> Download Link ( CJCME 2016 , No.1 , Article 1 , P.4)
Caspian Journal of Computational & Mathematical Engineering
Chief of editor : Dr. Seyed Mohammadali Raeisian